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Articles 1 - 13 of 13
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A Systematic Review Of Brainstem Contributions To Autism Spectrum Disorder, Ala Seif, Carly Shea, Susanne Schmid, Ryan A Stevenson
A Systematic Review Of Brainstem Contributions To Autism Spectrum Disorder, Ala Seif, Carly Shea, Susanne Schmid, Ryan A Stevenson
Anatomy and Cell Biology Publications
Autism spectrum disorder (ASD) is a neurodevelopmental disorder that affects one in 66 children in Canada. The contributions of changes in the cortex and cerebellum to autism have been studied for decades. However, our understanding of brainstem contributions has only started to emerge more recently. Disruptions of sensory processing, startle response, sensory filtering, sensorimotor gating, multisensory integration and sleep are all features of ASD and are processes in which the brainstem is involved. In addition, preliminary research into brainstem contribution emphasizes the importance of the developmental timeline rather than just the mature brainstem. Therefore, the purpose of this systematic review …
First Canadian Experience With Robotic Laparoendoscopic Single-Site Vs. Standard Laparoscopic Living-Donor Nephrectomy: A Prospective Comparative Study, Patrick P Luke, Shahid Aquil, Bijad Alharbi, Hemant Sharma, Alp Sener
First Canadian Experience With Robotic Laparoendoscopic Single-Site Vs. Standard Laparoscopic Living-Donor Nephrectomy: A Prospective Comparative Study, Patrick P Luke, Shahid Aquil, Bijad Alharbi, Hemant Sharma, Alp Sener
Anatomy and Cell Biology Publications
INTRODUCTION: We aimed to compare the outcomes of robotic laparoendoscopic single-site living donor nephrectomy (R-LESS LDN) vs. standard laparoscopic living donor nephrectomy (LLDN).
METHODS: Between October 2013 and November 2015, 39 patients were allocated to either standard LLDN (n=25) or R-LESS LDN (n=14). Patient demographics, perioperative outcomes, analgesic requirement, visual analogue scale of pain at postoperative days 1, 3, 7, and 30, and a health-related quality of life and body image questionnaire were prospectively collected.
RESULTS: There were no significant differences in demographics and intraoperative outcomes between the two cohorts. The R-LESS LDN cohort had lower analgesic requirement (p=0.002) and …
Cognitive Changes Following Multiple-Modality Exercise And Mind-Motor Training In Older Adults With Subjective Cognitive Complaints: The M4 Study, Narlon Cassio Boa Sorte, Dawn P. Gill, Adrian M. Owen, Teresa Liu-Ambrose, Vladimir Hachinski, Ryosuke Shigematsu, Robert J. Petrella
Cognitive Changes Following Multiple-Modality Exercise And Mind-Motor Training In Older Adults With Subjective Cognitive Complaints: The M4 Study, Narlon Cassio Boa Sorte, Dawn P. Gill, Adrian M. Owen, Teresa Liu-Ambrose, Vladimir Hachinski, Ryosuke Shigematsu, Robert J. Petrella
Anatomy and Cell Biology Publications
Background We investigated the effects of multiple-modality exercise with additional mind-motor training on cognition in community-dwelling older adults with subjective cognitive complaints. Methods Participants (n = 127, mean age 67.5 [7.3] years, 71% women) were randomized to receive 45 minutes of multiple-modality exercise with additional 15 minutes of either mind-motor training (M4, n = 63) or control (balance, range of motion and breathing exercises [M2, n = 64]). In total, both groups exercised 60 minutes/day, 3 days/week, for 24 weeks. Standardized global cognitive functioning (GCF), concentration, reasoning, planning, and memory were assessed at 24 weeks and after a 28-week no-contact …
The Incidence And Characteristics Of Stroke In Urban-Dwelling Iranian Women, Amin Amiri Md, Moira Kapral Md Msc, Amanda G. Thrift Phd, Luciano A. Sposato, Hamidreza Saber Md, Reza Behrouz Do Phd, Mahdiyeh Erfanian, Mohammad Taghi Farzadfard Md, Naghmeh Mokhber Md, Reza Azarpazhooh Md
The Incidence And Characteristics Of Stroke In Urban-Dwelling Iranian Women, Amin Amiri Md, Moira Kapral Md Msc, Amanda G. Thrift Phd, Luciano A. Sposato, Hamidreza Saber Md, Reza Behrouz Do Phd, Mahdiyeh Erfanian, Mohammad Taghi Farzadfard Md, Naghmeh Mokhber Md, Reza Azarpazhooh Md
Anatomy and Cell Biology Publications
Background: Population-based data regarding stroke among women are scarce in developing countries. This study was designed to determine whether sex differences exist in stroke incidence, mortality, and recurrence.
Methods: The Mashhad Stroke Incidence Study is a population-based cohort study in Iran. For a period of 1 year, all patients with stroke in 3 geographical regions in Mashhad were recruited and then followed up for 5 years. Age- and sex-specific crude incidence rates were standardized to the World Health Organization New World Population. Male-to-female incidence rate ratios were assessed for all age groups and all subtypes of first-ever stroke (FES). …
Urologist Burnout: Frequency, Causes, And Potential Solutions To An Unspoken Entity, Julie Franc-Guimond, Brian Mcneil, Steven M. Schlossberg, Amanda C. North, Alp Sener
Urologist Burnout: Frequency, Causes, And Potential Solutions To An Unspoken Entity, Julie Franc-Guimond, Brian Mcneil, Steven M. Schlossberg, Amanda C. North, Alp Sener
Anatomy and Cell Biology Publications
Physician burnout has been linked to decreased job performance, increased medical errors, interpersonal conflicts, and depression. Recent multispecialty studies suggest that urologists have higher rates (up to 63.6%) of burnout compared to physicians in other specialties; however, these reports were limited by low sample sizes.1 We aimed to evaluate the prevalence of urologist burnout, verify risk factors, and recommend preventative measures and solutions for colleagues at risk or suffering from burnout. Urologist burnout is a true entity that transcends level of training and nationality. Its roots appear to be deep-seated in our tireless efforts to strive for excellence in care …
Cost-Effectiveness Of Cerebrospinal Biomarkers For The Diagnosis Of Alzheimer's Disease, Spencer A. W. Lee, Luciano A. Sposato, Vladimir Hachinski, Lauren E. Cipriano
Cost-Effectiveness Of Cerebrospinal Biomarkers For The Diagnosis Of Alzheimer's Disease, Spencer A. W. Lee, Luciano A. Sposato, Vladimir Hachinski, Lauren E. Cipriano
Anatomy and Cell Biology Publications
Background: Accurate and timely diagnosis of Alzheimer's disease (AD) is important for prompt initiation of treatment in patients with AD and to avoid inappropriate treatment of patients with false-positive diagnoses. Methods: Using a Markov model, we estimated the lifetime costs and quality-adjusted life-years (QALYs) of cerebrospinal fluid biomarker analysis in a cohort of patients referred to a neurologist or memory clinic with suspected AD who remained without a definitive diagnosis of AD or another condition after neuroimaging. Parametric values were estimated from previous health economic models and the medical literature. Extensive deterministic and probabilistic sensitivity analyses were performed to evaluate …
Sleep Spindles And Intellectual Ability: Epiphenomenon Or Directly Related?, Zhuo Fang, Valya Sergeeva, Laura B. Ray, Adrian M. Owen, Stuart M. Fogel
Sleep Spindles And Intellectual Ability: Epiphenomenon Or Directly Related?, Zhuo Fang, Valya Sergeeva, Laura B. Ray, Adrian M. Owen, Stuart M. Fogel
Anatomy and Cell Biology Publications
Sleep spindlesshort, phasic, oscillatory bursts of activity that characterize non-rapid eye movement sleepare one of the only electrophysiological oscillations identified as a biological marker of human intelligence (e.g., cognitive abilities commonly assessed using intelligence quotient tests). However, spindles are also important for sleep maintenance and are modulated by circadian factors. Thus, the possibility remains that the relationship between spindles and intelligence quotient may be an epiphenomenon of a putative relationship between good quality sleep and cognitive ability or perhaps modulated by circadian factors such as morningness-eveningness tendencies. We sought to ascertain whether spindles are directly or indirectly related to cognitive …
The Roles Of Insulin-Like Growth Factors In Mesenchymal Stem Cell Niche, Amer Youssef, Doaa Aboalola, Victor K. M. Han
The Roles Of Insulin-Like Growth Factors In Mesenchymal Stem Cell Niche, Amer Youssef, Doaa Aboalola, Victor K. M. Han
Anatomy and Cell Biology Publications
Many tissues contain adult mesenchymal stem cells (MSCs), which may be used in tissue regeneration therapies. However, the MSC availability in most tissues is limited which demands expansion in vitro following isolation. Like many developing cells, the state of MSCs is affected by the surrounding microenvironment, and mimicking this natural microenvironment that supports multipotent or differentiated state in vivo is essential to understand for the successful use of MSC in regenerative therapies. Many researchers are, therefore, optimizing cell culture conditions in vitro by altering growth factors, extracellular matrices, chemicals, oxygen tension, and surrounding pH to enhance stem cells self-renewal or …
Medial Prefrontal And Anterior Insular Connectivity In Early Schizophrenia And Major Depressive Disorder: A Resting Functional Mri Evaluation Of Large-Scale Brain Network Models, Jacob Penner, Kristen A. Ford, Reggie Taylor, Betsy Schaefer, Jean Theberge, Richard W. J. Neufeld, Elizabeth A. Osuch, Ravi S. Menon, Nagalingam Rajakumar, John M. Allman, Peter C. Williamson
Medial Prefrontal And Anterior Insular Connectivity In Early Schizophrenia And Major Depressive Disorder: A Resting Functional Mri Evaluation Of Large-Scale Brain Network Models, Jacob Penner, Kristen A. Ford, Reggie Taylor, Betsy Schaefer, Jean Theberge, Richard W. J. Neufeld, Elizabeth A. Osuch, Ravi S. Menon, Nagalingam Rajakumar, John M. Allman, Peter C. Williamson
Anatomy and Cell Biology Publications
Anomalies in the medial prefrontal cortex, anterior insulae, and large-scale brain networks associated with them have been proposed to underlie the pathophysiology of schizophrenia and major depressive disorder (MDD). In this study, we examined the connectivity of the medial prefrontal cortices and anterior insulae in 24 healthy controls, 24 patients with schizophrenia, and 24 patients with MDD early in illness with seed based resting state functional magnetic resonance imaging analysis using Statistical Probability Mapping. As hypothesized, reduced connectivity was found between the medial prefrontal cortex and the dorsal anterior cingulate cortex and other nodes associated with directed effort in patients …
Human Severe Sepsis Cytokine Mixture Increases Beta 2-Integrin-Dependent Polymorphonuclear Leukocyte Adhesion To Cerebral Microvascular Endothelial Cells In Vitro, Chris Blom, Brittany L. Deller, Douglas D. Fraser, Eric K. Patterson, Claudio M. Martin, Bryan Young, Patricia C. Liaw, Payam Yazdan-Ashoori, Angelica Oritz, Brian Webb, Greg Kilmer, David E. Carter, Gediminas Cepinskas
Human Severe Sepsis Cytokine Mixture Increases Beta 2-Integrin-Dependent Polymorphonuclear Leukocyte Adhesion To Cerebral Microvascular Endothelial Cells In Vitro, Chris Blom, Brittany L. Deller, Douglas D. Fraser, Eric K. Patterson, Claudio M. Martin, Bryan Young, Patricia C. Liaw, Payam Yazdan-Ashoori, Angelica Oritz, Brian Webb, Greg Kilmer, David E. Carter, Gediminas Cepinskas
Anatomy and Cell Biology Publications
Introduction: Sepsis-associated encephalopathy (SAE) is a state of acute brain dysfunction in response to a systemic infection. We propose that systemic inflammation during sepsis causes increased adhesion of leukocytes to the brain microvasculature, resulting in blood-brain barrier dysfunction. Thus, our objectives were to measure inflammatory analytes in plasma of severe sepsis patients to create an experimental cytokine mixture (CM), and to use this CM to investigate the activation and interactions of polymorphonuclear leukocytes (PMN) and human cerebrovascular endothelial cells (hCMEC/D3) in vitro. Methods: The concentrations of 41 inflammatory analytes were quantified in plasma obtained from 20 severe sepsis patients and …
Unique Functional Abnormalities In Youth With Combined Marijuana Use And Depression: An Fmri Study, Kristen A. Ford, Michael Wammes, Richard W. Neufeld, Derek Mitchell, Jean Theberge, Peter Williamson, Elizabeth A. Osuch
Unique Functional Abnormalities In Youth With Combined Marijuana Use And Depression: An Fmri Study, Kristen A. Ford, Michael Wammes, Richard W. Neufeld, Derek Mitchell, Jean Theberge, Peter Williamson, Elizabeth A. Osuch
Anatomy and Cell Biology Publications
Prior research has shown a relationship between early onset marijuana (MJ) use and depression; however, this relationship is complex and poorly understood. Here, we utilized passive music listening and fMRI to examine functional brain activation to a rewarding stimulus in 75 participants [healthy controls (HC), patients with major depressive disorder (MDD), frequent MJ users, and the combination of MDD and MJ (MDD?+?MJ)]. For each participant, a preferred and neutral piece of instrumental music was determined (utilizing ratings on a standardized scale), and each completed two 6-min fMRI scans of a passive music listening task. Data underwent pre-processing and 61 participants …
Mice With Deficient Bk Channel Function Show Impaired Prepulse Inhibition And Spatial Learning, But Normal Working And Spatial Reference Memory, Marei Typlt, Magdalena Mirkowski, Erin Azzopardi, Lukas Ruettiger, Peter Ruth, Susanne Schmid
Mice With Deficient Bk Channel Function Show Impaired Prepulse Inhibition And Spatial Learning, But Normal Working And Spatial Reference Memory, Marei Typlt, Magdalena Mirkowski, Erin Azzopardi, Lukas Ruettiger, Peter Ruth, Susanne Schmid
Anatomy and Cell Biology Publications
Genetic variations in the large-conductance, voltage- and calcium activated potassium channels (BK channels) have been recently implicated in mental retardation, autism and schizophrenia which all come along with severe cognitive impairments. In the present study we investigate the effects of functional BK channel deletion on cognition using a genetic mouse model with a knock-out of the gene for the pore forming α-subunit of the channel. We tested the F1 generation of a hybrid SV129/C57BL6 mouse line in which the slo1 gene was deleted in both parent strains.
We first evaluated hearing and motor function to establish the suitability of this …
Reduced Expression Of Mir15a In The Blood Of Patients With Oral Squamous Cell Carcinoma Is Associated With Tumor Staging, Joao Artur Ricieri Brito, Carolina Cavalieri Gomes, Flavio Juliano Garcia Santos Pimenta, Alvimar Afonso Barbosa, Marco A. M. Prado, Vania F. Prado, Marcus Vinicius Gomez, Ricardo Santiago Gomez
Reduced Expression Of Mir15a In The Blood Of Patients With Oral Squamous Cell Carcinoma Is Associated With Tumor Staging, Joao Artur Ricieri Brito, Carolina Cavalieri Gomes, Flavio Juliano Garcia Santos Pimenta, Alvimar Afonso Barbosa, Marco A. M. Prado, Vania F. Prado, Marcus Vinicius Gomez, Ricardo Santiago Gomez
Anatomy and Cell Biology Publications
MicroRNAs (miRNAs) mirl 5a and let7a are iMportant regulators of bcl-2, ras and c-myc proteins Considering that these miRNAs are commonly altered in many human cancers and that these proteins are reported to be altered in oral squamous cell carcinoma (OSCC), we investigated them in a set of OSCC cases 'I he miRNAs as well as the proteins were evaluated in the tumor and blood of 20 patients by real-time quantitative PCR and iMmunohistochemistry, respectively The expression of nfirl5a and bcl-2 proteins in the tumors was not associated with each other or with tumor staging On the other hand, we …